Apache HTTP Server Version 2.0
This document refers to the 2.0 version of Apache httpd, which is no longer maintained. Upgrade, and refer to the current version of httpd instead, documented at:
You may follow this link to go to the current version of this document.
rotatelogs is a simple program for use in
conjunction with Apache's piped logfile feature. For example:
CustomLog "|bin/rotatelogs /var/logs/logfile 86400" common
This creates the files /var/logs/logfile.nnnn where nnnn is the system time at which the log nominally starts (this time will always be a multiple of the rotation time, so you can synchronize cron scripts with it). At the end of each rotation time (here after 24 hours) a new log is started.
CustomLog "|bin/rotatelogs /var/logs/logfile 5M" common
This configuration will rotate the logfile whenever it reaches a size of 5 megabytes.
ErrorLog "|bin/rotatelogs /var/logs/errorlog.%Y-%m-%d-%H_%M_%S 5M"
This configuration will rotate the error logfile whenever it
reaches a size of 5 megabytes, and the suffix to the logfile name
will be created of the form
[ -l ]
[ rotationtime [ offset ]] |
[ filesizeM ]
-l(2.0.51 and later)
-lin an environment which changes the GMT offset (such as for BST or DST) can lead to unpredictable results!
strftime(3). Otherwise, the suffix .nnnnnnnnnn is automatically added and is the time in seconds. Both formats compute the start time from the beginning of the current period.
-300for this argument.
Mto specify size rather than time. Use this parameter in place of both rotationtime and offset.
The following logfile format string substitutions should be
supported by all
strftime(3) implementations, see
strftime(3) man page for library-specific
||full weekday name (localized)|
||3-character weekday name (localized)|
||full month name (localized)|
||3-character month name (localized)|
||date and time (localized)|
||2-digit day of month|
||2-digit hour (24 hour clock)|
||2-digit hour (12 hour clock)|
||3-digit day of year|
||am/pm of 12 hour clock (localized)|
||2-digit week of year (Sunday first day of week)|
||2-digit week of year (Monday first day of week)|
||1-digit weekday (Sunday first day of week)|
||time zone name|